以太坊智能合约中 pragma solidity^0.6.10 是什么意思

软件工程小施同学发布时间：2022-02-04 19:24:48 ，浏览量：0

pragma就是Solidity的编译控制指令，控制智能合约编译器的版本，

^0.6.10代表的含义是可以使用0.6.x的版本对该代码进行编译，也就是说0.5.x或0.7.x的编译器版本不允许编译该智能合约，

符号“^”代表向上兼容。

也可以使用类似pragma solidity >0.4.99


    
        
        
        
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